Pristupačnost
Catalina Curceanu
INFN - Laboratori Nazionali di Frascati (Italija)
A new era in the kaonic atoms experimental studies
Mjesto: Fizički odsjek, F-201
Vrijeme: utorak, 29. 5. 2018. u 13:00 (točno)
dr. Lara Nava
INAF Research Centre: Osservatorio Astronomico di Brera, Osservatorio Astronomico di Trieste
High and very-high energy emission from Gamma-Ray Bursts
Mjesto: Fizički odsjek, F-25
Vrijeme: utorak, 29. 5. 2018. u 14h
--------------------------------------------------------------------
Dear colleagues,
I kindly remind you about today's seminar by Catalina Curceanu from INFN
- Laboratori Nazionali di Frascati (Italy). The title of her talk is:
A new era in the kaonic atoms experimental studies
Location: Department of Physics, F-201
Time: 13:00 on Tuesday, May 29th, 2018
----SEMINAR ABSTRACT--------------------------------------------------
I shall review the results obtained in recent years in the experimental studies of exotic atoms, in particular in kaonic atoms, and present the future perspectives.
I shall mostly focus on the studies of kaonic atoms performed at the DAFNE collider of LNF-INFN and at KEK in Japan, which have produced a valuable wealth of data which are used by theoreticians to better understand the QCD in non-perturbative sector, with implications going from particle and nuclear physics to astrophysics. I shall also discuss the development of new X-ray detectors, such as Silicon Drift Detectors and Charge Coupled Devices which allowed toperform precision measurements of kaonic hydrogen and kaonic helium.
I shall present future perspectives, including ongoing programs, as
SIDDHARTA-2 at DAFNE and E57 and E62 at J-PARC, as well as plans to measure sigmonic atoms transitions and to perform dedicated measurements of selected kaonic atoms to solve the "charged kaon mass inconsistency".
Kaonic atoms studies represents a unique opportunity to unlock the secrets of the QCD in the low-energy regime and to disentangle the role of strangeness in astrophysics and cosmology.
Srdačno,
Mihael Makek
Dear colleagues,
I kindly remind you about the second seminar today by dr. Lara Nava (INAF Research Centre: Osservatorio Astronomico di Brera, Osservatorio Astronomico di Trieste) with the title:
High and very-high energy emission from Gamma-Ray Bursts
Location: Department of Physics, F-25
Time: 14h on Tuesday, May 29th, 2018
ABSTRACT:
The physical origin of the temporally extended (>100 seconds) high-energy emission (0.1-100 GeV) detected from Gamma-Ray Bursts (GRB) by the Fermi/LAT instrument has not been completely understood. The temporal and spectral properties of this long lasting emission are providing increasing evidence in favour of an external shock scenario, where the radiation is produced by electrons accelerated at the relativistic shock developed in interactions between the jet and the external medium. In this talk, I will give an overview of the state-of-the-art of GRB observations at GeV and TeV energies and discuss the potential of such observations in improving our still poor understanding of processes producing radiation in relativistic jets. Prospects for GRB detections with the upcoming CTA observatory will also be discussed, with particular emphasis on their fundamental role in revealing the nature of mechanisms powering GRB radiation.
Srdačno,
M. Makek
